fix vim plugin empty mbox message (#136)

vim/autoload/himalaya/msg.vim

@@ -38,7 +38,7 @@ function! himalaya#msg#list()
   try
     let mbox = himalaya#mbox#curr_mbox()
     let page = himalaya#mbox#curr_page()
-    call himalaya#msg#list_with(mbox, page, 0)
+    call himalaya#msg#list_with(mbox, page, 1)
   catch
     if !empty(v:exception)
       redraw | call himalaya#shared#log#err(v:exception)

vim/autoload/himalaya/shared/cli.vim

@@ -11,12 +11,12 @@ function! himalaya#shared#cli#call(cmd, args, log, should_throw)
       redraw | call himalaya#shared#log#info(printf("%s [OK]", a:log))
       return res.response
     catch
-      redraw | call himalaya#shared#log#info(printf("%s [ERR]", a:log))
+      redraw
       for line in split(res, "\n")
         call himalaya#shared#log#err(line)
       endfor
       if a:should_throw
-          throw res
+        throw ""
       endif
     endtry
   endif